how do you update the software when every time its tell you not enough space available even when you delete some apps and games and put in an eight gig memory card deleted all photos and music clean your cache ect

The charger that came with the phone is not charging it but instead draining the battery. Ive downloaded Facebook and everytime I open the app the phone restarts.3:( android version 4.2.1 is too low some apps don't even work because of that say the p...